The MCU has a ton of fans, who tune in to each new movie and the shows that are streaming with a Disney+ subscription. The franchise's popularity was arguably never higher than during the release of Avengers: Infinity War and Endgame, where the entire shared universe was battling against Thanos and his forces. In between the movies a viral fan theory that Ant-Man could kill the Mad Titan by shrinking, jumping into his anus, and then growing. Turns out that infamous Thanos butthole theory actually has comic-book precedent, but there's a big reason why it didn't work.
Those of us who have watched the Marvel movies in order know the chatter about Ant-Man possibly being able to make Thanos explode from the inside out has gone on for years, with even Paul Rudd weighing in on the concept. But ScreenRant pointed out that the hero attempted this strategy in the comics, and it didn't exactly work out.
